001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.pipeline.validation; 019 020 import java.lang.annotation.ElementType; 021 import java.lang.annotation.Retention; 022 import java.lang.annotation.RetentionPolicy; 023 import java.lang.annotation.Target; 024 025 /** 026 * This annotation is used to aggregate information about the branches 027 * served by a give Stage. 028 * 029 * 030 */ 031 @Target(ElementType.TYPE) 032 @Retention(RetentionPolicy.RUNTIME) 033 public @interface Branches { 034 /** 035 * Returns the array of branch key/production pairs that describe the 036 * data being produced by the annotated stage on various branches. 037 */ 038 public ProductionOnBranch[] productionOnBranches() default { }; 039 040 /** 041 * Returns the array of branch keys for which the stage produces the 042 * same type of object as it consumes. 043 */ 044 public String[] producesConsumedOnBranches() default { }; 045 }